Schmidt, G. H., A. P. Martinho, and M. R. Paiva. “THE SALTOPTERAN FAUNA OF PORTUGAL: NEW RECORDS AND BIOGEOGRAPHICAL ASPECTS (ORTHOPTEROIDEA)”. Fragmenta Entomologica, Vol. 41, no. 1, Oct. 2009, pp. 15-68, doi:10.4081/fe.2009.81.